CN109696089B - Pellet structure of artificial rainfall bomb - Google Patents
Pellet structure of artificial rainfall bomb Download PDFInfo
- Publication number
- CN109696089B CN109696089B CN201910140136.5A CN201910140136A CN109696089B CN 109696089 B CN109696089 B CN 109696089B CN 201910140136 A CN201910140136 A CN 201910140136A CN 109696089 B CN109696089 B CN 109696089B
- Authority
- CN
- China
- Prior art keywords
- section
- fuze
- bullet
- cylindrical hole
- hole section
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000008188 pellet Substances 0.000 title claims abstract description 18
- 239000003795 chemical substances by application Substances 0.000 claims description 13
- 239000002360 explosive Substances 0.000 claims description 11
- 239000003380 propellant Substances 0.000 claims description 8
- JKFYKCYQEWQPTM-UHFFFAOYSA-N 2-azaniumyl-2-(4-fluorophenyl)acetate Chemical group OC(=O)C(N)C1=CC=C(F)C=C1 JKFYKCYQEWQPTM-UHFFFAOYSA-N 0.000 claims description 7
- 229910021612 Silver iodide Inorganic materials 0.000 claims description 7
- 229940045105 silver iodide Drugs 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims 1
- 239000000806 elastomer Substances 0.000 claims 1
- 208000010392 Bone Fractures Diseases 0.000 abstract description 29
- 206010017076 Fracture Diseases 0.000 abstract description 29
- 238000005516 engineering process Methods 0.000 abstract description 8
- 238000005474 detonation Methods 0.000 description 6
- 238000003754 machining Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000006911 nucleation Effects 0.000 description 2
- 238000010899 nucleation Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000009331 sowing Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B12/00—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material
- F42B12/02—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect
- F42B12/36—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for dispensing materials; for producing chemical or physical reaction; for signalling ; for transmitting information
- F42B12/46—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for dispensing materials; for producing chemical or physical reaction; for signalling ; for transmitting information for dispensing gases, vapours, powders or chemically-reactive substances
- F42B12/50—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for dispensing materials; for producing chemical or physical reaction; for signalling ; for transmitting information for dispensing gases, vapours, powders or chemically-reactive substances by dispersion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B3/00—Blasting cartridges, i.e. case and explosive
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Dispersion Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
- Vibration Dampers (AREA)
Abstract
The invention discloses a pellet structure of an artificial rainfall bomb, wherein a fuze section, a large cylindrical hole section, a small cylindrical hole section and a bottom screw section are sequentially arranged in the bomb body, the fuze section is connected with the fuze through threads, and the bottom screw section is connected with the bottom of the bomb through threads; the junction of the fuze section and the large cylindrical hole section is provided with a primary fracture groove, the junction of the large cylindrical hole section and the small cylindrical hole section is provided with a secondary fracture groove, and the junction of the small cylindrical hole section and the bottom screw hole section is provided with a tertiary fracture groove. The assembly body adopts split type threaded connection, the inner cavity adopts a design of a variable-aperture three-section fracture groove, the bullet bottom adopts a design of a three-section step hole, the processing technology of the bullet is reduced, the stressed area of the bullet wall surface is increased, the bullet wall surface can be simultaneously subjected to the combined action of axial stress and radial stress, when the bullet explodes, a spring piece with smaller mass can be formed, damage to personal property caused by falling of the spring piece can be effectively prevented, and the use safety of the spring piece is greatly improved.
Description
Technical Field
The invention relates to the technical field of special meteorological equipment, in particular to a pellet structure of an artificial rainfall bomb.
Background
At present, the main ground working ammunition for artificially influencing the weather in China comprises an antiaircraft gun shell and a rocket shell, which consists of a fuse, an assembly body, an artificial rainfall agent (silver iodide), explosive columns, a cartridge, a propellant powder and primer, wherein the rocket shell and the antiaircraft gun shell explode after reaching the cloud layer height, and cloud drops or ice crystals are increased to a certain degree by sowing the artificial rainfall agent (silver iodide) into the cloud, and fall to the ground to form rainfall. The existing antiaircraft gun shell and rocket shell adopt integral structures, and the internal cavity of the projectile assembly has simple and regular structure. However, when the shell is exploded, the broken piece is large and high in quality, and the shrapnel falls from the high altitude, the personnel and property around the shooting field and in the shrapnel falling area can be greatly damaged, so that the projectile is only suitable for the area with sparse human smoke, but is not suitable for the area with dense city or population.
Disclosure of Invention
In order to solve the problem of high quality of the elastic sheet, the invention provides a pellet structure of an artificial rainfall bomb, which has good pellet fragility after high-altitude explosion under the condition of meeting the emission intensity so as to form fragments with smaller quality and prevent the elastic sheet from falling to bring damage to personal property.
The invention adopts the following technical proposal to realize the aim. The pellet structure of the artificial rainfall bomb comprises a pellet body, wherein the front end of the pellet body is a fuze, and the rear end of the fuze is connected with an assembly body; the assembly body is connected with the front end of the cartridge, the bottom of the cartridge is provided with primer, and the inside of the cartridge is provided with propellant powder; the assembly body comprises a projectile body, wherein the rear end of the projectile body is provided with left-handed threads and is connected with a projectile bottom, an artificial rainfall agent and an explosive column are arranged in the projectile body, a fuze section, a large cylindrical hole section, a small cylindrical hole section and a bottom screw section are sequentially arranged in the projectile body, the fuze section and the bottom screw section are respectively provided with internal threads, the fuze section is connected with the fuze through threads, and the bottom screw section is connected with the projectile bottom through threads; the junction of the fuze section and the large cylindrical hole section is provided with a first-stage breaking groove, the junction of the large cylindrical hole section and the small cylindrical hole section is provided with a second-stage breaking groove, and the junction of the small cylindrical hole section and the bottom screw hole section is provided with a third-stage breaking groove; the front end of the bullet bottom is a threaded part provided with external threads, and the rear end of the bullet bottom is formed by connecting a convex ring and a bottom step into a whole; the inner cavity of the bullet bottom is sequentially provided with a first-stage step, a second-stage step and a third-stage step, and a concave hole is formed in the middle of the outer end of the bottom step.
Furthermore, the primary fracture groove, the secondary fracture groove and the tertiary fracture groove all adopt trapezoid structures, one side of the groove body facing the direction of the fuze is set to be a bevel end face of 30-60 degrees, and the other side is set to be a right-angle end face.
The assembly body adopts split type threaded connection, the inner cavity adopts a design of a variable-aperture three-section fracture groove, the bullet bottom adopts a design of a three-section step hole, the processing technology of the bullet is reduced, the stressed area of the bullet wall surface is increased, the bullet wall surface can be simultaneously subjected to the combined action of axial stress and radial stress, when the bullet explodes, a spring piece with smaller mass can be formed, damage to personal property caused by falling of the spring piece can be effectively prevented, and the use safety of the spring piece is greatly improved.
Drawings
FIG. 1 is a schematic view of a partial cross-sectional structure of the present invention in an installed state;
FIG. 2 is a schematic view of a partial cross-sectional structure of the projectile 100 of the present invention;
FIG. 3 is a schematic cross-sectional view of the projectile 21 of the invention;
fig. 4 is a schematic view of a partial cross-sectional structure of the sabot 22 of the present invention.
In the figure: 100. a pellet body; 1. a fuze; 2. the assembly body, 21, the projectile body, 22, the bullet bottom, 23, the artificial rainfall agent, 24, the explosive column; 211. the fuse hole section 212, the large cylindrical hole section 213, the small cylindrical hole section 214, the bottom screw hole section 21a, the primary fracture groove 21b, the secondary fracture groove 21c and the tertiary fracture groove; 221. screw thread part, 222, convex ring part, 223, bottom step, 22a, primary step hole, 22b, secondary step hole, 22c, tertiary step hole, 22e, concave hole;
3. cartridge, 31. Propellant, 32. Primer.
Detailed Description
The invention will be further described with reference to fig. 1 and 4, which are a pellet structure of a rainmaking bullet, comprising a pellet body 100, wherein the front end of the pellet body 100 is provided with a fuze 1, and the rear end of the fuze 1 is connected with an assembly body 2; the assembly body 2 is connected with the front end of the cartridge 3, the bottom of the cartridge 3 is provided with a primer 32, and the cartridge 3 is internally provided with a propellant 31; the assembly body 2 comprises a projectile body 21, wherein the rear end of the projectile body 21 is provided with left-handed threads and is connected with a projectile bottom 22 through threads, an artificial rainfall agent 23 and an explosive column 24 are arranged in the projectile body 21, a fuze section 211, a large cylindrical hole section 212, a small cylindrical hole section 213 and a bottom screw section 214 are sequentially arranged in the projectile body 21, the fuze section 211 and the bottom screw section 214 are respectively provided with internal threads, the fuze section 211 is connected with the fuze 1 through threads, and the bottom screw section 214 is connected with the projectile bottom 22 through threads; a primary fracture groove 21a is formed at the joint of the fuze section 211 and the large cylindrical hole section 212, a secondary fracture groove 21b is formed at the joint of the large cylindrical hole section 212 and the small cylindrical hole section 213, and a tertiary fracture groove 21c is formed at the joint of the small cylindrical hole section 213 and the bottom screw hole section 214; the front end of the bullet bottom 22 is a threaded part 221 provided with external threads, and the rear end is formed by integrally connecting a convex ring 222 and a bottom step 223; the inner cavity of the bullet bottom 22 is sequentially provided with a first-stage step 22a, a second-stage step 22b and a third-stage step 22c, and a concave hole 22e is formed in the middle of the outer end of the bottom step 223. The primary fracture groove 21a, the secondary fracture groove 21b and the tertiary fracture groove 21c are all in trapezoid structures, one side of the groove body, which faces the direction of the fuze 1, is provided with an oblique angle end face of 30-60 degrees, and the other side of the groove body is provided with a right angle end face.
Example 1: a preferred embodiment of the present invention is shown below. The utility model provides a pellet structure of artificial rainfall bullet, assembly 2 is through being connected with fuze section 211 and fuze 1, and primer 32 is equipped with to the bottom of cartridge case 3, and inside being equipped with of cartridge case 3 propellant 31, assembly 2 installs in the upper end of cartridge case 3 (as shown in figure 1). The assembly 2 comprises a projectile body 21 and a projectile bottom 22 connected with the rear end of the projectile body 21, wherein the projectile body 21 is internally provided with an artificial rainfall agent 23 and an explosive column 24 (shown in figure 2). The artificial rainfall agent 23 is silver iodide.
The projectile body 21 is formed by sequentially processing 35CrMnSiA steel into a fuze section 211, a primary fracture groove 21a, a large cylindrical hole section 212, a secondary fracture groove 21b, a small cylindrical hole section 213, a tertiary fracture groove 21c and a bottom screw section 214, wherein the primary fracture groove 21a, the secondary fracture groove 21b and the tertiary fracture groove 21c adopt a trapezoid structure, one side of the direction of the fuze 1 in the groove body is set to be a 45-degree bevel end face, the other side is set to be a right-angle end face (see figure 3), stress concentration is formed when the projectile body is impacted by detonation, and the purpose of reducing the quality of broken pieces is achieved; the bullet bottom 22 is formed by machining 45# steel into a first stage step 22a, a second stage step 22b and a third stage step 22c of an inner cavity, and then machining into a peripheral threaded part 221, a convex ring 222 and a bottom step 223 (see fig. 4), wherein under the condition that the strength of the bullet bottom meets the overload of the emission, stress concentration can be formed through a stepped hole, and the detonation wave energy utilization can be improved; the projectile body 21 is connected to the threaded portion of the projectile body 22 by the bottom thread segment 214, and the connecting threads are left-handed threads.
Explosive column 24 is formed by direct press-fitting, the press-fitting adopts trapezoid density press-fitting technology, and artificial rainfall agent 23 is placed between the first press-fitting technology and the second press-fitting technology in the process of press-fitting explosive, so that the high temperature generated by detonation can be fully utilized, and the nucleation rate of silver iodide can be improved.
The assembly 2 is connected with the fuse 1 through the fuse section 211, the bottom of the cartridge 3 is provided with a primer 32, the inside of the cartridge 3 is provided with a propellant 31, and the assembly 2 is arranged at the upper end of the cartridge 3 as shown in fig. 1.
Example 2: a preferred embodiment of the present invention is shown below. The utility model provides a pellet structure of artificial rainfall bullet, assembly 2 is through being connected with fuze section 211 and fuze 1, and primer 32 is equipped with to the bottom of cartridge case 3, and inside being equipped with of cartridge case 3 propellant 31, assembly 2 installs in the upper end of cartridge case 3 (as shown in figure 1). The assembly 2 comprises a projectile body 21 and a projectile bottom 22 connected with the rear end of the projectile body 21, wherein the projectile body 21 is internally provided with an artificial rainfall agent 23 and an explosive column 24 (shown in figure 2). The artificial rainfall agent 23 is silver iodide.
The projectile body 21 is formed by sequentially processing 35CrMnSiA steel into a fuze section 211, a primary fracture groove 21a, a large cylindrical hole section 212, a secondary fracture groove 21b, a small cylindrical hole section 213, a tertiary fracture groove 21c and a bottom screw section 214, wherein the primary fracture groove 21a, the secondary fracture groove 21b and the tertiary fracture groove 21c adopt a trapezoid structure, one side of the direction of the fuze 1 in the groove body is set to be a 60-DEG inclined end surface, the other side is set to be a right-angle end surface (see figure 3), stress concentration is formed when the projectile body is impacted by detonation, and the purpose of reducing the quality of broken pieces is achieved; the spring bottom 22 is formed by machining 45# steel into a first stage step 22a, a second stage step 22b and a third stage step 22c of an inner cavity, and then machining the steel into a peripheral threaded part 221, a convex ring 222, a bottom step 223 and a concave hole 22e (see fig. 4), wherein under the condition that the strength of the spring bottom meets the overload emission condition, stress concentration can be formed through a stepped hole, and the detonation wave energy utilization can be improved; the projectile body 21 is connected to the threaded portion of the projectile body 22 by the bottom thread segment 214, and the connecting threads are left-handed threads.
Explosive column 24 is formed by direct press-fitting, the press-fitting adopts trapezoid density press-fitting technology, and artificial rainfall agent 23 is placed between the first press-fitting technology and the second press-fitting technology in the process of press-fitting explosive, so that the high temperature generated by detonation can be fully utilized, and the nucleation rate of silver iodide can be improved.
Claims (2)
1. The pellet structure of the artificial rainfall bomb comprises a pellet body, wherein the front end of the pellet body is a fuze, and the rear end of the fuze is connected with an assembly body; the assembly body is connected with the front end of the cartridge, the bottom of the cartridge is provided with primer, and the inside of the cartridge is provided with propellant powder; the assembly body comprises a projectile body, wherein the rear end of the projectile body is provided with left-handed threads and is connected with a projectile bottom, and an artificial rainfall agent and an explosive column are arranged in the projectile body; the junction of the fuze section and the large cylindrical hole section is provided with a first-stage breaking groove, the junction of the large cylindrical hole section and the small cylindrical hole section is provided with a second-stage breaking groove, and the junction of the small cylindrical hole section and the bottom screw hole section is provided with a third-stage breaking groove; the front end of the bullet bottom is a threaded part provided with external threads, and the rear end of the bullet bottom is formed by connecting a convex ring and a bottom step into a whole; the inner cavity of the bullet bottom is sequentially provided with a first-stage step, a second-stage step and a third-stage step, and a concave hole is formed in the middle of the outer end of the bottom step;
the artificial rainfall agent is silver iodide.
2. The bullet structure of artificial rainfall bullet as claimed in claim 1, wherein the first stage breaking groove, the second stage breaking groove and the third stage breaking groove are all trapezoid structures, one side of the groove body facing the direction of the fuze is set as 30-60 degree inclined end face, the other side is set as right angle end face,
the elastomer is made of 35CrMnSiA steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910140136.5A CN109696089B (en) | 2019-02-26 | 2019-02-26 | Pellet structure of artificial rainfall bomb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910140136.5A CN109696089B (en) | 2019-02-26 | 2019-02-26 | Pellet structure of artificial rainfall bomb |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109696089A CN109696089A (en) | 2019-04-30 |
| CN109696089B true CN109696089B (en) | 2023-11-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910140136.5A Active CN109696089B (en) | 2019-02-26 | 2019-02-26 | Pellet structure of artificial rainfall bomb |
Country Status (1)
| Country | Link |
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| CN (1) | CN109696089B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111750745B (en) * | 2020-06-16 | 2024-04-05 | 南京理工大学 | Spigot structure for radial positioning of rotary projectile body and fuze |
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| CN109696089A (en) | 2019-04-30 |
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